{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Six healthy subjects were given a 0 . 5 mg subcutaneous dose of terbutaline on two occasions : 1 hour after oral administration of a placebo and 1 hour after 80 mg oxprenolol orally ."}
{"Chemical": ["terbutaline", "oxprenolol"], "Disease": []}